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Home >> Buick >> 1993 >> Roadmaster Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Remote Keyless Entry System >> System Testing >> Test 5 >> Circuit Description
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Circuit Description

When unlock button on transmitter is pressed, keyless entry receiver grounds circuit No. 156 to activate courtesy lights and start an internal timer. If internal timer reaches 30 seconds or ignition switch is turned to RUN, keyless entry receiver removes ground on circuit No. 156. Keyless entry receiver senses voltage from fuse No. 17 on circuit No. 39 when ignition switch is turned to RUN to reset internal timer.

NOTE: Test numbers refer to numbers on diagnostic chart.